Home / 2,639.73-3,941.43-2,329.14

Finding the Fourth Proportional to 2,639.73, 3,941.43 and 2,329.14

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Solution

The fourth proportional to 2,639.73, 3,941.43 and 2,329.14 is: 3,477.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.73 : 3,941.43 = 2,329.14 : x
  2. Step 2: Convert to fraction form
    2,639.73/3,941.43 = 2,329.14/x
  3. Step 3: Cross multiply
    2,639.73x = 3,941.43 × 2,329.14
  4. Step 4: Simplify right side
    2,639.73x = 9,180,142.27
  5. Step 5: Solve for x
    x = 9,180,142.27/2,639.73
  6. Step 6: Final answer
    x = 3,477.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.